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  • Title: Outcomes of Heart Transplant Donation After Circulatory Death.
    Author: Siddiqi HK, Trahanas J, Xu M, Wells Q, Farber-Eger E, Pasrija C, Amancherla K, Debose-Scarlett A, Brinkley DM, Lindenfeld J, Menachem JN, Ooi H, Pedrotty D, Punnoose L, Rali AS, Sacks S, Wigger M, Zalawadiya S, McMaster W, Devries S, Shah A, Schlendorf K.
    Journal: J Am Coll Cardiol; 2023 Oct 10; 82(15):1512-1520. PubMed ID: 37793748.
    Abstract:
    BACKGROUND: Heart transplantation using donation after circulatory death (DCD) allografts is increasingly common, expanding the donor pool and reducing transplant wait times. However, data remain limited on clinical outcomes. OBJECTIVES: We sought to compare 6-month and 1-year clinical outcomes between recipients of DCD hearts, most of them recovered with the use of normothermic regional perfusion (NRP), and recipients of donation after brain death (DBD) hearts. METHODS: We conducted a single-center retrospective observational study of all adult heart-only transplants from January 2020 to January 2023. Recipient and donor data were abstracted from medical records and the United Network for Organ Sharing registry, respectively. Survival analysis and Cox regression were used to compare the groups. RESULTS: During the study period, 385 adults (median age 57.4 years [IQR: 48.0-63.7 years]) underwent heart-only transplantation, including 122 (32%) from DCD donors, 83% of which were recovered with the use of NRP. DCD donors were younger and had fewer comorbidities than DBD donors. DCD recipients were less often hospitalized before transplantation and less likely to require pretransplantation temporary mechanical circulatory support compared with DBD recipients. There were no significant differences between groups in 1-year survival, incidence of severe primary graft dysfunction, treated rejection during the first year, or likelihood of cardiac allograft vasculopathy at 1 year after transplantation. CONCLUSIONS: In the largest single-center comparison of DCD and DBD heart transplantations to date, outcomes among DCD recipients are noninferior to those of DBD recipients. This study adds to the published data supporting DCD donors as a safe means to expand the heart donor pool.
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